FIELD: construction materials.
SUBSTANCE: invention relates to the building materials industry, in particular to production of concrete. Raw mixture for manufacture of concrete, contains, wt %: portland cement 17.0–19.0; microsilica 0.1–2.0; quartz sand 64.0–65.9; cone decoction of coniferous trees, and cones with a moisture content of 12 % and water are taken in equal mass ratios, 4.0–10.0; water 5.0–13.0.
EFFECT: technical result is a reduction in the cement consumption and obtaining the required workability.
1 cl, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CRUDE MIXTURE FOR PRODUCING CONCRETE | 2016 |
|
RU2631719C1 |
| RAW MIXTURE FOR CONCRETE MANUFACTURE | 2016 |
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| CRUDE MIXTURE FOR MANUFACTURING FINE-GRAINED CONCRETE | 2017 |
|
RU2642749C1 |
| CONCRETE MIXTURE | 2012 |
|
RU2494063C1 |
| CONCRETE MIXTURE | 2011 |
|
RU2455250C1 |
